Passionflower
A climbing vine with intricate flowers and a long ethnobotanical record for nervousness and insomnia. Lead compound: vitexin.
IOverview
Overview
Passionflower (Passiflora incarnata) is a climbing vine belonging to the Passifloraceae family, native to southeastern United States and parts of Central America, including Alabama, Arkansas, Florida, Georgia, Illinois, and Indiana. This plant can be found in various habitats such as woodlands, fields, and roadsides. Known for its medicinal properties, passionflower has been traditionally used to reduce stress and anxiety, with documented benefits including reduced pre-procedural and generalized anxiety. Additionally, it enhances sleep quality by improving overall sleep patterns. The distinctive flowers of the passionflower are particularly noteworthy, featuring a unique, intricate corolla that often appears purple or white. Another notable characteristic is the presence of vitexin, a flavonoid compound found in various parts of the plant including the aerial portions, leaves, and flowers. Passionflower thrives in partial to full sunlight but can tolerate some shade and prefers well-draining soil rich in organic matter. Regular watering ensures consistent moisture without becoming waterlogged. While passionflower is not edible, its medicinal properties make it valuable for those seeking natural remedies for stress, anxiety, and sleep issues. However, caution should be exercised when using any herbal remedy, as individual responses can vary. Always consult a healthcare professional before incorporating passionflower into your treatment regimen.
What is Passionflower?
Passionflower (Passiflora incarnata) is a climbing vine belonging to the Passifloraceae family, native to southeastern United States and parts of Central America, including Alabama, Arkansas, Florida, Georgia, Illinois, and Indiana. This plant can be found in various habitats such as woodlands, fields, and roadsides.
What is Passionflower used for?
Traditionally used for stress & anxiety, better sleep. Each claim is evidence-rated — see Section II for full citations.
Is Passionflower safe?
2 documented contraindications — review Section III before use. Always consult a clinician for medical conditions, pregnancy, or medication interactions.
IIBenefits & evidence
2 claims · 2 cited sources
Benefits & evidence
2 claims · 2 cited sources- Reduces pre-procedural and generalized anxiety
Likely GABAergic via flavone glycosides (vitexin, isovitexin). Small but consistent clinical signal.
- Improves sleep quality
Subjective and PSG measures both improved in pilot trials.
IICautions & contraindications
2 cautions
Cautions & contraindications
2 cautionsIIIActive compounds
1 listed
Active compounds
1 listedIVDosage
Dosage
| Form | Dose | Frequency | Duration |
|---|---|---|---|
Standardized capsule Moderate potency | 250.000–1000.000 mg | 1–4× daily | Up to 56 days |
Infusion / tea Mild potency | 1.000–2.000 g / 240 ml | 1–4× daily | Up to 56 days |
Tincture (1:5, 45%) Moderate potency | 2.000–4.000 ml | 3× daily | Up to 42 days |
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftVCultivation
Cultivation
How to grow Passionflower for the first time
Start with passionflower as a simple, low-maintenance plant for beginners.
- 1
What you'll need
Passionflower seeds or young plants, potting soil, containers with drainage holes.
- 2
Best time to plant
Plant in spring after the last frost, or start seeds indoors about 6 weeks before the last expected frost.
- 3
Soil and container prep
Use well-draining potting mix. Ensure containers are at least 12 inches wide and deep.
- 4
Sowing or transplanting
Direct sow seeds outdoors after danger of frost, or start indoors and transplant young plants once they have several leaves.
- 5
First two weeks
Keep soil consistently moist. Place in a sunny spot with at least 6 hours of direct sunlight daily.
- 6
Ongoing care
Water when the top inch of soil feels dry, and fertilize every 4-6 weeks with a balanced fertilizer.
- 7
Harvest or pruning
Prune in late winter to early spring to encourage new growth. Remove dead leaves and spent flowers.
VIIDistribution
21 native · 10 introduced
Distribution
21 native · 10 introducedVIIIGarden companions
1 pair
Garden companions
1 pairThese plants help — by repelling pests, fixing nitrogen, attracting pollinators, or sharing space well.
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Passifloraceae), common use cases, and growing requirements.
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